397 
Mr. R. Swinhoe on Formosan Ornithology. 
vent dark green, broadly margined and tipped with primrose. 
Quills black, delicately margined with greenish yellow, 2nd quill 
rather longer than 3rd, and longest in wing; primary coverts 
and secondaries black, margined with clear yellow; tertiaries 
and other coverts green, some of them being likewise margined. 
Axillaries and underwings slate-grey. Tail olive-green, with a 
good deal of brown on the inner webs, the shafts of the feathers 
being light brown; undertail blackish brown, paling towards 
the tip and at the edges. 
There is much similarity between this bird and the Vinago 
sieboldii, of the tf Fauna Japonica;* but this is a good deal smaller, 
differs in particular tints, and has a more decidedly Treronine bill. 
v /109. Turtur rupicola (Pallas). 
Columha orientalis , Lath. 
C. gelastes, Temm. 
I procured a pair of this Turtle-Dove at Tamsuy on the 1st 
of April. They were frequently seen during winter, and I think 
are in Formosa, as in South China, merely winter visitants. 
110. Turtur chinensis (Scop.). 
The ordinary resident Turtledove of all North China, from 
Canton to Shanghai, is also the prevailing species throughout 
Formosa. I can discover no distinction between them in my 
series of skins from both countries. Their nests are small flat 
panniers, of the usual form, and contain two white eggs, rather 
glossy, averaging in length 1*1 in. and in breadth *85. 
111. Turtur humilis, Temm. 
Very abundant during summer in the low country about 
Taiwanfoo. The young males cast off the immature garb very 
rapidly, and assume that of the adult in the moult of the first 
autumn, their full plumage being almost complete when they 
leave the country in the fall. Often nestlings in mottled plu¬ 
mage, with down still adhering to them, show here and there a 
red feather of the male plumage. The coo of this species is a 
peculiar kind of rumbling murmur, not unlike the sound pro¬ 
duced by one branch rubbing against another. 
Young, procured 18th July 1861. “Iris dusky yellowish 
brown. Bill, bare flesh round the eye, and throat-skin purplish 
